Steam solenoid valve is on the system as a fault or a safe cutting device, when working in use process will often encounter no action after the electricity, or not to perform opening and closing action, when the power is cut off this case may affect the safety of the equipment, Shanghai jian valve as you answer today how steam solenoid valve failure repair, specific as follows: 1, first of all, we want to make sure the steam solenoid Industrial Valves installation direction according to the specified location on the valve body, and the installation direction of confirmation. Solution: the installation direction if the error, there will be a electromagnetic valve card phenomenon, unable to open/close, should be discharged in time, to test, and ensure the solenoid Industrial Valves after qualified, reinstall on pipeline, the installation. 2, steam solenoid valve should be cut off power supply before maintenance, to ensure the safety of removal, and electricity maintenance. Solution: such as charged disassembly will produce an estimate of the accident consequences, should be first to break the power supply, such as homework at the same time, should cut off the front switch valve ( Maintenance is used when the switch valve) Also in the pipeline, such as steam, such as steam cools to come forward to remove. 3, open the steam coil of electromagnetic Industrial Valves, to check whether there is damage to the coil, the trace of the burn. Plan: solenoid coil is to ensure that the solenoid valve switch the necessary spare parts, such as the casing damage should be timely to replace spare electromagnetic coil, if there are any traces of the burn, burn marks including electromagnetic shell softening deformation, high temperature smoke, is the trace of the electromagnetic coil was burned, it should be replaced in a timely manner. 4, to ensure that no impurities in pipeline, if there are any impurities steam filters should be installed, to ensure that the electromagnetic valve will not be blocked. Solution: solenoid valve flow area blocked by foreign body, it is easy to cause electromagnetic valve action is blocked, once, electromagnetic valve cannot be closed, resulting in abnormal shut off, should be on the front end with Y type filter, steam filter mesh of not less than 80 mesh, to ensure normal operation of solenoid valve. 5, open the valve cover, to ensure that the valve stem, there was no damage in the steel, and impurity foreign bodies blocked. If the valve stem deformation, deformation of steel cup will affect the solenoid valve switch, high pressure or differential pressure is too big, can lead to an enormous medium when the electromagnetic valve in the opening and closing the pushed the impact pressure and lead to the damage of the internal parts, deformation, even when the high pressure difference should choose guiding type solenoid valve.
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